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272842387 is a prime number
BaseRepresentation
bin10000010000110…
…011111010010011
3201000101211101121
4100100303322103
51024321424022
643023543111
76522056566
oct2020637223
9630354347
10272842387
11130015584
127745aa97
13446ac7cc
14283444dd
1518e472c7
hex10433e93

272842387 has 2 divisors, whose sum is σ = 272842388. Its totient is φ = 272842386.

The previous prime is 272842327. The next prime is 272842397. The reversal of 272842387 is 783248272.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 272842387 - 223 = 264453779 is a prime.

It is not a weakly prime, because it can be changed into another prime (272842327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136421193 + 136421194.

It is an arithmetic number, because the mean of its divisors is an integer number (136421194).

Almost surely, 2272842387 is an apocalyptic number.

272842387 is a deficient number, since it is larger than the sum of its proper divisors (1).

272842387 is an equidigital number, since it uses as much as digits as its factorization.

272842387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 43.

The square root of 272842387 is about 16517.9413668895. The cubic root of 272842387 is about 648.5905451695.

The spelling of 272842387 in words is "two hundred seventy-two million, eight hundred forty-two thousand, three hundred eighty-seven".